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List of components of the U.S. Department of Defense

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List of military components of the U.S. Defense Department
Department of Defense

Seal of the Department of Defense

Commander-in-Chief:President of the United States,
Donald Trump
Secretary of Defense:Pete Hegseth
Chairman of the Joint Chiefs of Staff:General Dan Caine,USAF
Military budget:$718 billion (2018)[1]
Employees:700,000 civilian
2.8 million military (2008)

Thechain of command of the U.S. Department of Defense leads from thepresident (ascommander-in-chief) through thesecretary of defense down to the newest recruits.[2][3] The Department of Defense oversees a complex structure of joint command and control functions, split generally into administrative and operational chains of command. The following is an incomplete list of the various majormilitary units, commands, and DOD offices and agencies, including civilian and military chains of command.

Office of the Secretary of Defense

[edit]

Secretary of Defense

Source: OUSD-C Leadership[4]

Source: OUSD A&S Organizations[5]

Source: Organization: Office of the Under Secretary of Defense for Personnel and Readiness[8]

Source: Under Secretary of Defense for Policy[9]

Sources: Office of the Under Secretary of Defense for Intelligence & Security[10] andUnder Secretary of Defense for Intelligence and Security.

Source: Under Secretary of Defense for Research and Engineering[11]

Source: Department of Defense Office of Inspector General[12]

Source: Department of Defense General Counsel[13]

Source: About DoD CIO[14]

Source: Defense Media Activity[15]

Source: Office of the Assistant to the Secretary of Defense for Privacy, Civil Liberties, and Transparency[16]

  • Office of theDirector of Administration and Management (DA&M)
    • Information Management & Technology (IM&T)
      • User Engagement Directorate
      • Digital Strategic Planning Directorate
      • Program Analysis and Asset Planning Directorate
    • Performance Improvement Directorate
      • Strategic Planning & Performance Management
      • Defense Management & Performance Improvement
      • Enterprise Risk Management
      • Audit Management
      • Governance, Policy, & Stakeholder Outreach
      • Defense Management Analysis
    • Pentagon Force Protection Agency (PFPA)
    • Washington Headquarters Services (WHS)

Source: Performance Improvement Officer & Director of Administration & Management[17]

  • Defense Innovation Unit (DIU)
    • People, Finance and Management
    • Commercial Operations
    • Strategy, Policy, and National Security Partnerships
    • Military Directorate
    • Technology Platforms and Developer Ecosystem
    • Acquisitions
    • Artificial Intelligence and Machine Learning Portfolio
    • Autonomy Portfolio
    • Cyber and Telecommunications Portfolio
    • Emerging Technology Portfolio
    • Energy Portfolio
    • Human Systems Portfolio
    • Space Portfolio

Source: Defense Innovation Unit[18]

Source for all direct reports above: OSD Organizational Structure[19]

Source: Organization Overview[20]

Organization of the Joint Chiefs of Staff and Joint Staff

[edit]
Main article:Joint Chiefs of Staff

Joint Staff

  • Assistant to the Chairman
  • Senior Enlisted Advisor to the Chairman (SEAC)
  • Joint Staff Inspector General
  • Director, Joint Staff
    • Manpower and Personnel (J-1)
    • Joint Staff Intelligence (J-2)
    • Operations (J-3)
    • Logistics (J-4)
    • Strategy, Plans and Policy (J-5)
    • Command, Control, Communications, & Computers/Cyber (J-6)
    • Joint Force Development (J-7)
    • Force Structure Resources and Assessment (J-8)
    • Directorate of Management

Source: The Joint Staff[21]

Joint Agencies

Military Departments

[edit]

Department of the Army

[edit]
Main article:United States Department of the Army

Army Secretariat

[edit]

Source: Army Secretariat[22]

The Army Staff

[edit]

Source: Headquarters, Department of the Army[23]

Army Commands (ACOM)

[edit]

Source: Who We Are[24]

Source: AMC Major Subordinate Commands[25]

Sources:

Museums[26]

Army University Organizational Structure[27]

U.S. Army Training and Doctrine Command[28]

Army Service Component Commands (ASCC)

[edit]

§ Commands

Direct Reporting Units (DRU)

[edit]

Source: Organization[29]

Source: Major Subordinate Commands[30]

Source: Our Mission[31]

Source: Locations[32]

Source: Organization: Understanding the Army's Structure[33]

Department of the Navy

[edit]
Main article:United States Department of the Navy

Navy Secretariat

[edit]

Source: Organizations[34]

Naval Operations

[edit]

Source: Navy[36]

Marine Corps Headquarters

[edit]

Sources:

Director, Marine Corps Staff[37]

Training and Education Command[38]

Department of the Air Force

[edit]
Main article:United States Department of the Air Force

Air Force Secretariat

[edit]

Air Staff

[edit]

Major Commands

[edit]

Source: Air Force Senior Leaders[39]

Direct Reporting Units

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Field Operating Agencies

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Named Establishments

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Named Units

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Source:[40]

Space Staff

[edit]

Source: Leadership[41]

Space Force Field Commands

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Space Force Named Organizations

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Space Force Direct Reporting Units

[edit]

Source: Space Force Organizational Records[42]

Commands

[edit]

Unified combatant commands: Functional

[edit]

Cyber Command (USCYBERCOM)

[edit]
Main article:United States Cyber Command

Source: Our Service Cyber Partners[43]

Special Operations Command (USSOCOM)

[edit]
Main article:United States Special Operations Command

Source: Enterprise[44]

Strategic Command (USSTRATCOM)

[edit]
Main article:United States Strategic Command

Order of battle

[edit]

Source: About USSTRATCOM[45]

Transportation Command (USTRANSCOM)

[edit]
Main article:United States Transportation Command

Order of battle

[edit]

Source: USTRANSCOM[48]


Unified combatant commands: Geographic

[edit]
Main article:Unified combatant command

Africa Command (USAFRICOM)

[edit]
Main article:United States Africa Command

Source: United States Africa Command[49]

Central Command (USCENTCOM)

[edit]
Main article:United States Central Command

Source: Unified Commands, CENTCOM & Components[50]

European Command (USEUCOM)

[edit]
Main article:United States European Command

Order of battle

[edit]

Source: Our Forces[51]

Northern Command (USNORTHCOM)

[edit]
Main article:United States Northern Command

Order of battle

[edit]

Initiatives

[edit]
  • Homeland Defense Academic Symposium
  • North American Defense and Security Academic Alliance (NADSAA)
  • Women, Peace and Security (WPS)

Source: Our Story[52]

Indo-Pacific Command (USINDOPACOM)

[edit]
Main article:United States Indo-Pacific Command

Order of battle

[edit]

Source: USINDOPACOM Components[53]

Southern Command (USSOUTHCOM)

[edit]
Main article:United States Southern Command

Direct Reporting Units

[edit]

Source: About us[54]

Space Command (USSPACECOM)

[edit]
Main article:United States Space Command

Source: Warfighting Units[55]

Service component commands

[edit]

Army Forces Command (FORSCOM)

[edit]
Main article:United States Army Forces Command

Air Force Air Combat Command (ACC) (Langley AFB, VA)

[edit]
Main article:Air Combat Command

Fleet Forces Command (USFFC) (Norfolk NB, VA)

[edit]
Main article:United States Fleet Forces Command
  • 2nd Fleet (NB Norfolk, VA)
    • Task Force 20 (2nd Fleet Battle Force)
    • Task Force 21 (2nd Fleet Patrol Reconnaissance Force) / Patrol and Reconnaissance Force Atlantic Fleet (PATRECONFORLANT) (NS Norfolk, VA)
    • Task Force 22 (2nd Fleet Amphibious Force) / Amphibious Group 2 (PHIBGRU 2) (NB Norfolk, VA)
      • Kearsarge Expeditionary Strike Group / Expeditionary Strike Group 6 / Amphibious Squadron 8 (PHIBRON 8) (USS Kearsarge (LHD-3)) (NB Norfolk, VA (Deployed))
      • Saipan Expeditionary Strike Group / Expeditionary Strike Group 4 / Amphibious Squadron 2 (PHIBRON 2) (USS Saipan (LHA-2)) (NB Norfolk, VA (Deployed))
      • Wasp Expeditionary Strike Group / Expeditionary Strike Group 2 / Amphibious Squadron 4 (PHIBRON 4) (USS Wasp (LHD-1)) (NB Norfolk, VA (Post-Deployment))
      • Bataan Expeditionary Strike Group (USS Bataan (LHD-5)) (NAB Little Creek, VA (Intermediate Training))
      • Naval Coastal Warfare Group Two (Williamsburg, VA)
      • Tactical Air Control Group 2 (TACGRU 2) (NAB Little Creek, VA)
      • Naval Beach Group 2 (NAVBEACHGRU 2) (NB Norfolk, VA?)
    • Task Force 23 (2nd Fleet Landing Force)
    • Task Force 24 (2nd Fleet ASW Force)
    • Task Force 25 (2nd Fleet Mobile Logistics Support Force) / Combat Logistics Squadron 2 (LOGRON 2) (NB Norfolk, VA)
    • Task Force 26 (2nd Fleet Patrol Air Force) / Patrol and Reconnaissance Force Atlantic Fleet (PATRECONFORLANT) (NS Norfolk, VA)
    • Task Force 28 (2nd Fleet Caribbean Contingency Force) (NS Mayport, FL)
    • Carrier Group 4 (CARGRU 4) / Carrier Striking Force (Battle Group Training) (NB Norfolk, VA)
  • Task Force 40 / Naval Surface Force Atlantic Fleet (NAVSURFLANT) (NB Norfolk, VA)
    • Combat Logistics Squadron 2 (COMLOGRON 2) (NWS Earle, NJ)
  • Task Force 41 / Naval Air Force Atlantic Fleet (NAVAIRLANT) (NAS Oceana, VA)
  • Task Force 42 / Naval Submarine Force Atlantic Fleet (NAVSUBLANT) (NB Norfolk, VA)
    • Submarine Group 2 (SUBGRU 2) (NSB New London, CT)
      • Naval Submarine Support Center (NB Norfolk, VA)
  • Task Force 43 (Training Command Atlantic Fleet?)
  • Task Force 44 (Coast Guard Force Atlantic Fleet) / Coast Guard Atlantic Area (Portsmouth, VA)
  • Task Force 45 /Fleet Marine Forces Atlantic (MARFORLANT) (Norfolk NB, VA)
  • Task Force 46 (Mine Warfare Command Atlantic Fleet (MINEWARCOM)) (USS Inchon (MCS-12)) (NS Ingleside, TX)
  • Task Force 48 (Naval Construction Battalions Atlantic Fleet) (NAB Little Creek, VA)
  • Task Force 80 (Naval Patrol and Protection of Shipping Atlantic Fleet)
  • Task Force 81 (Sea Control and Surveillance Force Atlantic Fleet) / Patrol and Reconnaissance Force Atlantic Fleet (PATRECONFORLANT) (NS Norfolk, VA)
  • Task Force 82 (Amphibious Task Force)
  • Task Force 83 (Landing Force (II Marine Expeditionary Force (II MEF)) (Camp Lejeune, NC)
  • Task Force 84 (ASW Force Atlantic Fleet) / Naval Submarine Force Atlantic Fleet (NAVSUBLANT) (NB Norfolk, VA)
  • Task Force 85 (Mobile Logistics Support Force Atlantic Fleet) / Combat Logistics Squadron 2 (LOGRON 2) (NB Norfolk, VA)
  • Task Force 86 (Patrol Air Force Atlantic Fleet) / Patrol and Reconnaissance Force Atlantic Fleet (PATRECONFORLANT) (NS Norfolk, VA)
    • Patrol and Reconnaissance Wing 5 (PATRECONWING 5) (NAS Brunswick, ME)
    • Patrol and Reconnaissance Wing 11 (PATRECONWING 11) (NAS Jacksonville, FL)
    • Reserve Patrol Wing (RESPATWING) (NAS Oceana, VA)
  • Task Force 87 (Tactical Development and Evaluation and Transit Force Atlantic Fleet)
  • Task Force 88 (Training Force Atlantic Fleet) (NB Norfolk, VA)
  • Task Force 89 (Maritime Defense Zone Atlantic Fleet) (USCGS Portsmouth, VA)
  • Task Force 125 (Naval Surface Group 2 (NAVSURFGRU 2)) (NS Mayport, FL)
  • Task Force 137 (Naval Forces Eastern Atlantic) (Naples, Italy)
  • Task Force 138 (Naval Forces South Atlantic)
  • Task Force 139 (Multilateral Special Operations Force)
  • Task Force 142 (Operational Test and Evaluation Force) (NB Norfolk, VA)

Marine Corps Forces Command (COMMARFORCOM) (Norfolk NB, VA)

[edit]
Main article:United States Marine Corps Forces Command

U.S. Forces Azores (USAFORAZ) (Lajes Field, Azores)

[edit]
Main article:United States Forces Azores



Source: Combatant Commands[59]

See also

[edit]

References

[edit]
  1. ^"Defence Expenditure of NATO Countries (2011-2018)"(PDF).Archived(PDF) from the original on 30 October 2018. Retrieved6 May 2019.
  2. ^"Functions of the Department of Defense and Its Major Components"(PDF). Defense Technical Information Center. Archived fromthe original(PDF) on March 22, 2011.
  3. ^"U.S. Department of Defense Organization Chart". DoD Public Website. Archived fromthe original on September 27, 2010.
  4. ^"OUSD-C Leadership".About OUSD-C. United States Department of Defense. Archived fromthe original on July 7, 2025. RetrievedJuly 7, 2025.
  5. ^"OUSD A&S Organizations".Acquisition & Sustainment. United States Department of Defense. Archived from the original on July 8, 2025. RetrievedJuly 7, 2025.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  6. ^"tricare.mil". Archived fromthe original on 2010-04-09. Retrieved2011-12-10.
  7. ^"Organizational Chart". U.S. Department of Defense. Retrieved11 September 2014.
  8. ^"Organization".Office of the Under Secretary of Defense for Personnel and Readiness. United States Department of Defense. Archived from the original on July 7, 2025. RetrievedJuly 7, 2025.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  9. ^"OUSD Offices".Under Secretary of Defense for Policy. United States Department of Defense. Archived fromthe original on July 9, 2025. RetrievedJuly 8, 2025.
  10. ^"Organization".Office of the Under Secretary of Defense for Intelligence & Security. United States Department of Defense. Archived fromthe original on July 9, 2025. RetrievedJuly 8, 2025.
  11. ^"Enterprise".Under Secretary of Defense for Research and Engineering. United States Department of Defense. Archived fromthe original on July 10, 2025. RetrievedJuly 10, 2025.
  12. ^"Organization".Department of Defense Office of the Inspector General. United States Department of Defense. Archived fromthe original on July 11, 2025. RetrievedJuly 10, 2025.
  13. ^"DoD General Counsel".Office of General Counsel. United States Department of Defense. Archived fromthe original on July 11, 2025. RetrievedJuly 10, 2025.
  14. ^"About DoD CIO".Chief Information Officer. United States Department of Defense. Archived fromthe original on July 11, 2025. RetrievedJuly 10, 2025.
  15. ^"Services and Products".Defense Media Activity. United States Department of Defense. Archived fromthe original on July 11, 2025. RetrievedJuly 10, 2025.
  16. ^"Organization".Office of the Assistant to the Secretary of Defense for Privacy, Civil Liberties, and Transparency. United States Department of Defense. Archived fromthe original on July 11, 2025.
  17. ^"About PIO/DA&M".Performance Improvement Officer & Director of Administration & Management. United States Department of Defense. Archived fromthe original on July 8, 2025. RetrievedJuly 16, 2025.
  18. ^"Our Team/Leadership".Defense Innovation Unit. United States Department of Defense. Archived fromthe original on July 10, 2025. RetrievedJuly 16, 2025.
  19. ^"OSD Organizational Structure".Office of the Secretary of Defense. United States Department of Defense. Archived fromthe original on July 15, 2025. RetrievedJuly 16, 2025.
  20. ^"Organization Overview".Office of Military Commissions Website. United States Department of Defense. Archived from the original on August 12, 2025. RetrievedAugust 3, 2025.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  21. ^"The Joint Staff".The Joint Chiefs of Staff. United States Department of Defense. Archived fromthe original on July 24, 2025. RetrievedAugust 3, 2025.
  22. ^"Army Secretariat"(PDF).Office of the Administrative Assistant to the Secretary of the Army. United States Army. August 18, 2025. Archived fromthe original(PDF) on August 21, 2025. RetrievedAugust 20, 2025.
  23. ^"Headquarters, United States Army"(PDF).Office of the Administrative Assistant to the Secretary of the Army. United States Army. August 4, 2023. Archived fromthe original(PDF) on July 12, 2025. RetrievedAugust 20, 2025.
  24. ^"Who We Are".Army Futures Command. United States Army. Archived fromthe original on August 27, 2025. RetrievedAugust 30, 2025.
  25. ^"AMC Major Subordinate Commands".Army Materiel Command. Archived fromthe original on May 23, 2025. RetrievedAugust 24, 2025.
  26. ^"Army Museum Directory".U.S. Army Center of Military History. United States Army. Archived fromthe original on August 28, 2025. RetrievedSeptember 1, 2025.
  27. ^"Army University Organizational Structure"(PDF).The Army University. United States Army. Archived fromthe original(PDF) on July 17, 2025. RetrievedSeptember 6, 2025.
  28. ^"U.S. Army Training and Doctrine Command".U.S. Army Training and Doctrine Command. United States Army. Archived fromthe original on September 4, 2025. RetrievedSeptember 5, 2025.
  29. ^"Organization".U.S. Army Test and Evaluation Command. United States Army. Archived fromthe original on May 26, 2025. RetrievedAugust 21, 2025.
  30. ^"Major Subordinate Commands".U.S. Army Intelligence and Security Command. United States Army. Archived fromthe original on July 29, 2025.
  31. ^"Our Mission".Joint Task Force-National Capital Region and The U.S. Army Military District of Washington. United States Army. Archived fromthe original on January 8, 2025. RetrievedAugust 22, 2025.
  32. ^"Locations".U.S. Army Corps of Engineers. United States Army. Archived fromthe original on August 25, 2025. RetrievedAugust 24, 2025.
  33. ^"Understanding the Army's Structure".Organization. United States Army. Archived fromthe original on July 29, 2025. RetrievedAugust 19, 2025.
  34. ^"Organizations".Secretary of the Navy. United States Navy. Archived fromthe original on October 8, 2025. RetrievedOctober 13, 2025.
  35. ^"Our Commands".Naval Meteorology and Oceanography Command. United States Navy. Archived fromthe original on August 15, 2025. RetrievedNovember 15, 2025.
  36. ^"Navy".Military Units Multimedia Experience. United States Department of Defense. Archived fromthe original on September 8, 2025. RetrievedOctober 22, 2025.
  37. ^"Overview".Director, Marine Corps Staff. United States Marine Corps. RetrievedNovember 18, 2025.
  38. ^"TECOM".Training and Education Command. United States Marine Corps. Archived fromthe original on October 7, 2025. RetrievedNovember 18, 2025.
  39. ^"Air Force Senior Leaders".Air Force. United States Air Force. Archived fromthe original on October 6, 2025. RetrievedDecember 2, 2025.
  40. ^"Air Force Organizational Records".Air Force Historical Research Agency. United States Air Force. Archived fromthe original on December 4, 2025. RetrievedDecember 3, 2025.
  41. ^"Leadership".United States Space Force. United States Space Force. RetrievedDecember 3, 2025.
  42. ^"Space Force Organizational Records".Air Force Historical Research Agency. United States Air Force. Archived fromthe original on December 3, 2025. RetrievedDecember 3, 2025.
  43. ^"Our Service Cyber Partners".U.S. Cyber Command. United States Department of Defense. Archived fromthe original on June 13, 2025. RetrievedAugust 12, 2025.
  44. ^"Enterprise".United States Special Operations Command. United States Department of Defense. Archived fromthe original on July 29, 2025. RetrievedAugust 14, 2025.
  45. ^"About USSTRATCOM".U.S. Strategic Command. United States Department of Defense. Archived fromthe original on July 3, 2025. RetrievedAugust 17, 2025.
  46. ^Permanent duty station change for maritime prepositioning ships squadron three
  47. ^abcde"SDDC Homepage".army.mil. Archived fromthe original on 14 March 2011. Retrieved2 April 2018.
  48. ^"USTRANSCOM". United States Department of Defense. Archived fromthe original on July 12, 2025. RetrievedAugust 18, 2025.
  49. ^"United States Africa Command". United States Department of Defense. Archived fromthe original on July 29, 2025. RetrievedAugust 6, 2025.
  50. ^"Unified Commands, CENTCOM & Components".U.S. Central Command. United States Department of Defense. Archived fromthe original on July 16, 2025. RetrievedAugust 8, 2025.
  51. ^"Our Forces".United States European Command. United States Department of Defense. Archived fromthe original on July 24, 2025. RetrievedAugust 8, 2025.
  52. ^"Our Story".U.S. Northern Command. United States Department of Defense. Archived fromthe original on July 26, 2025. RetrievedAugust 9, 2025.
  53. ^"USINDOPACOM Components".About USINDOPACOM. United States Department of Defense. Archived fromthe original on July 18, 2025. RetrievedAugust 10, 2025.
  54. ^"About us".U.S. Southern Command. United States Department of Defense. Archived fromthe original on July 9, 2025. RetrievedAugust 11, 2025.
  55. ^"Warfighting Units".U.S. Space Command. United States Department of Defense. Archived fromthe original on June 19, 2025. RetrievedAugust 13, 2025.
  56. ^First Army Division EastArchived 2011-10-05 at theWayback Machine
  57. ^"First Army Division West".army.mil. Archived fromthe original on 11 October 2009. Retrieved2 April 2018.
  58. ^army.mil[dead link]
  59. ^"Combatant Commands". United States Department of Defense.Archived from the original on July 11, 2025. RetrievedAugust 5, 2025.

External links

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Inactivated
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Structure
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andhistory
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